Center Groove, Double-Bevel 12" Ruler, United Scientific
This 12" (30.5 cm) wooden ruler has a double bevel and a pencil groove.
- Features double bevel and pencil groove
- Metal edge on one side
Ruler is scaled in 1/16" increments on one bevel, and 1 mm increments on the opposite bevel. There is a metal edge on one side.